Calculate the color code of a resistor based on the resistor value (and the other way round). Display of closest resistor within the E series / Renard numbers. Another feature: calculation of required resistor value for LED circuits....

555 Timer PRO provides an array of design wizards, circuit blocks and information panels that facilitate the use of the 555 timer. Component value calculations for the 555 take into account the supplyvoltage and timer fabrication (CMOS or Bipolar)....